There is no per-unit API price: API price not public.
There is no free API. The weights are open, so you can run it yourself.
#51 of 200 in Embeddings.
On MTEB Portuguese v1 · Multilabel Classification · Portuguese, UAE Large v1 scores 20.7 vs 20.7 — about the same.
Released 2023-12-04. It is the current version in its line.
Yes, the weights are open (MIT licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
UAE Large v1 is an open-weights embeddings & retrieval model from WhereIsAI, released Dec 2023.
Voyage 3.5 (better), Giga Embeddings Instruct 3B 0826 (open weights).